你可能感兴趣的试题
in the center of the earth. on the surface of our planet. in a very narrow range of temperatures. in the coastal areas of the earth.
in the center of the earth. on the surface of our planet. in a very narrow range of temperatures. in the coastal areas of the earth.
clear freezing thin poisonous
did the former pop band Little Tiger reunite that the former pop band Little Tiger reunited then did the former pop band Little Tiger reunite when the former pop band Little Tiger reunited
too strong; too narrow so strong; narrow enough enough strong; narrow enough strong enough; too narrow
did the former pop band Little Tiger reunite that the former pop band Little Tiger reunited then did the former pop band Little Tiger reunite when the former pop band Little Tiger reunited
in the center of the earth on the surface of our planet in a very narrow range of temperatures in the coastal areas of the earth
in the center of the earth. on the surface of our planet. in a very narrow range of temperatures. in the coastal areas of the earth.
Band21 1495.9MHz–1510.9MHz Band33 1900MHz–1920MHz Band34 2010MHz–2025MHz Band35 1850MHz–1910MHz
A broad-band light source A narrow-band light source A light detector Not a light source
Point-to-Point Out of BAnD Point-to-Point In BAnD Point-to-Multi PointIn BAnD Point-to-Multi Point Out of BAnD
too strong; too narrow too strong; narrow enough strong enough; too narrow strong enough; narrow enough
Band33 Band38 Band39 Band40
clear freezing thin poisonous
X-band radar S-band radar C-band radar No radar can
Band0到Band7 Band1到Band7 Band1到Band6 Band0到Band6
It is a broadcast maritime safety information It is received by means of narrow-band direct-printing telegraphy It is sooner or later cancelled or superseded by Notices to Mariners It is an automatic reception of maritime safety information"
湘公网安备 43130202000226号